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authorIngo Molnar <mingo@elte.hu>2008-10-15 13:46:29 +0200
committerIngo Molnar <mingo@elte.hu>2008-10-15 13:46:29 +0200
commitb2aaf8f74cdc84a9182f6cabf198b7763bcb9d40 (patch)
tree53ccb1c2c14751fe69cf93102e76e97021f6df07 /arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c
parent4f962d4d65923d7b722192e729840cfb79af0a5a (diff)
parent278429cff8809958d25415ba0ed32b59866ab1a8 (diff)
Merge branch 'linus' into stackprotector
Conflicts: arch/x86/kernel/Makefile include/asm-x86/pda.h
Diffstat (limited to 'arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c')
-rw-r--r--arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c19
1 files changed, 11 insertions, 8 deletions
diff --git a/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c b/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c
index b0c8208df9f..c24c4a487b7 100644
--- a/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c
+++ b/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c
@@ -202,7 +202,7 @@ static void drv_write(struct drv_cmd *cmd)
cpumask_t saved_mask = current->cpus_allowed;
unsigned int i;
- for_each_cpu_mask(i, cmd->mask) {
+ for_each_cpu_mask_nr(i, cmd->mask) {
set_cpus_allowed_ptr(current, &cpumask_of_cpu(i));
do_drv_write(cmd);
}
@@ -256,7 +256,8 @@ static u32 get_cur_val(const cpumask_t *mask)
* Only IA32_APERF/IA32_MPERF ratio is architecturally defined and
* no meaning should be associated with absolute values of these MSRs.
*/
-static unsigned int get_measured_perf(unsigned int cpu)
+static unsigned int get_measured_perf(struct cpufreq_policy *policy,
+ unsigned int cpu)
{
union {
struct {
@@ -326,7 +327,7 @@ static unsigned int get_measured_perf(unsigned int cpu)
#endif
- retval = per_cpu(drv_data, cpu)->max_freq * perf_percent / 100;
+ retval = per_cpu(drv_data, policy->cpu)->max_freq * perf_percent / 100;
put_cpu();
set_cpus_allowed_ptr(current, &saved_mask);
@@ -451,7 +452,7 @@ static int acpi_cpufreq_target(struct cpufreq_policy *policy,
freqs.old = perf->states[perf->state].core_frequency * 1000;
freqs.new = data->freq_table[next_state].frequency;
- for_each_cpu_mask(i, cmd.mask) {
+ for_each_cpu_mask_nr(i, cmd.mask) {
freqs.cpu = i;
cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
}
@@ -466,7 +467,7 @@ static int acpi_cpufreq_target(struct cpufreq_policy *policy,
}
}
- for_each_cpu_mask(i, cmd.mask) {
+ for_each_cpu_mask_nr(i, cmd.mask) {
freqs.cpu = i;
cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
}
@@ -785,7 +786,11 @@ static int __init acpi_cpufreq_init(void)
if (ret)
return ret;
- return cpufreq_register_driver(&acpi_cpufreq_driver);
+ ret = cpufreq_register_driver(&acpi_cpufreq_driver);
+ if (ret)
+ free_percpu(acpi_perf_data);
+
+ return ret;
}
static void __exit acpi_cpufreq_exit(void)
@@ -795,8 +800,6 @@ static void __exit acpi_cpufreq_exit(void)
cpufreq_unregister_driver(&acpi_cpufreq_driver);
free_percpu(acpi_perf_data);
-
- return;
}
module_param(acpi_pstate_strict, uint, 0644);